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Finding the Fourth Proportional to 573.04, 789.36 and 531.04

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Solution

The fourth proportional to 573.04, 789.36 and 531.04 is: 731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.04 : 789.36 = 531.04 : x
  2. Step 2: Convert to fraction form
    573.04/789.36 = 531.04/x
  3. Step 3: Cross multiply
    573.04x = 789.36 × 531.04
  4. Step 4: Simplify right side
    573.04x = 419,181.73
  5. Step 5: Solve for x
    x = 419,181.73/573.04
  6. Step 6: Final answer
    x = 731.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.